Analysis

  • max time kernel
    115s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    20-08-2024 11:39

General

  • Target

    4200858d961c9ad4109c010a4d6d9ca0N.exe

  • Size

    116KB

  • MD5

    4200858d961c9ad4109c010a4d6d9ca0

  • SHA1

    443a330e385075c62b9f304efadbf3726e1db5f5

  • SHA256

    77544fc1f622eebcb73f655d769b8896a043726370937f09d37939d00d4a4afe

  • SHA512

    8ba046431a379aa1bbef418392621c58347b51ea982dc9dabcdcbdc8979fdf4f96a9df1812c379ce0550c5ed928fdf1d9a9f7d3a7e28b81e8072b703ebcd09be

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDpR:P5eznsjsguGDFqGZ2rD7

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes
  • reg_key

    e1a87040f2026369a233f9ae76301b7b

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 25 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4200858d961c9ad4109c010a4d6d9ca0N.exe
    "C:\Users\Admin\AppData\Local\Temp\4200858d961c9ad4109c010a4d6d9ca0N.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2748
    • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
      "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1252
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2904
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe" "chargeable.exe" ENABLE
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          • System Location Discovery: System Language Discovery
          PID:2872

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    7231480480386888b9a0a1a4f79bda4a

    SHA1

    2f507c05be4b743326d98b15743cfc241fc62c40

    SHA256

    b5e8624cbc25b602129209410eb166aca980004d22e880b31347d07a664d8b1a

    SHA512

    f7cb042c6ed090ee46fc95af8a8f15bbd02519216f604e67d1daf8c93541985cdc0638478ef148f0f39b4d3bfa2664c4d2eca8896a1611f062b866ee99a2dee9

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    6afc86efb2a6df60a2aa2b9fb75adeca

    SHA1

    e2f8ba0a7e4703ee804a2463585bf3d353c3c238

    SHA256

    05096c1450dc42d1804e662bb04b3bfdae6bafb6db2e846fbabb849320cf8135

    SHA512

    597907c059b39b57028f29778839010f3ccdac1f8c1588bf23bf2e5dee57cc8279108167e8e1d154ba132bab58049f429be60056289a14a28781bbd831ffa130

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    f142017d1eb29df13dff2b43d8ed33f2

    SHA1

    89e06b40f2cd2e59a12c89f9d1b4aedb1dc7fa6f

    SHA256

    ec52045dbb9ef4ccf68a82521668c5880f10caa6e42b8600a68e01064d122d7a

    SHA512

    fd1b15cec34473c642f17b11a056f27995eaa06587a4e45f3261070badffead80900d5f886094c6e1ebd6054ed77f93614db497564f60b34428f79910a4fe20c

  • C:\Users\Admin\AppData\Local\Temp\Cab7B1B.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar7B4D.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • \Users\Admin\AppData\Roaming\confuse\chargeable.exe

    Filesize

    116KB

    MD5

    96d5955b025a3560ec538ddcad47947a

    SHA1

    f30558fa1b44d039cbc6c9b9cdfa8fb830e998fa

    SHA256

    1a43da13603df15d4e38b35eae6664c10478cb8d07c9fbfa55cbebe33a7f649d

    SHA512

    ae6ef124bac549998d3f729c4a0f3bf6ad4e148838ad2d322430e1debd518ff917ef3b0f945f719e4b106161c93cc99311d438e3c6578480c703fc869867df75

  • memory/2748-167-0x0000000074330000-0x00000000748DB000-memory.dmp

    Filesize

    5.7MB

  • memory/2748-177-0x0000000074330000-0x00000000748DB000-memory.dmp

    Filesize

    5.7MB

  • memory/2748-0-0x0000000074331000-0x0000000074332000-memory.dmp

    Filesize

    4KB

  • memory/2748-8-0x0000000074330000-0x00000000748DB000-memory.dmp

    Filesize

    5.7MB

  • memory/2904-341-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2904-343-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2904-344-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB